Merging w/ http://bitbucket.org/bryan/rebar

priv/templates/simpleapp.template

@@ -1,4 +1,4 @@
 {variables, [{appid, "myapp"}]}.
-{file, "simpleapp.app", "ebin/{{appid}}.app"}.
-{file, "simpleapp_app.erl", "src/{{appid}}_app.erl"}.
-{file, "simpleapp_sup.erl", "src/{{appid}}_sup.erl"}.
+{template, "simpleapp.app", "ebin/{{appid}}.app"}.
+{template, "simpleapp_app.erl", "src/{{appid}}_app.erl"}.
+{template, "simpleapp_sup.erl", "src/{{appid}}_sup.erl"}.

priv/templates/simplenode.template

@@ -1,7 +1,7 @@
 {variables, [{nodeid, "mynode"}]}.
-{file, "simplenode.reltool.config", "reltool.config"}.
+{template, "simplenode.reltool.config", "reltool.config"}.
 {file, "simplenode.erl.script", "overlay/erts-vsn/bin/erl"}.
 {file, "simplenode.nodetool", "overlay/erts-vsn/bin/nodetool"}.
 {file, "simplenode.runner", "overlay/bin/{{nodeid}}"}.
 {file, "simplenode.app.config", "overlay/etc/app.config"}.
-{file, "simplenode.vm.args", "overlay/etc/vm.args"}.
+{template, "simplenode.vm.args", "overlay/etc/vm.args"}.

src/rebar_templater.erl

@@ -127,8 +127,9 @@ find_escript_templates() ->
                         re:run(Name, ?TEMPLATE_RE, [{capture, none}]) == match].
 
 find_disk_templates() ->
-    Files = rebar_utils:find_files(filename:join(os:getenv("HOME"), ".rebar/templates"), ?TEMPLATE_RE),
-    [{file, F} || F <- Files].
+    HomeFiles = rebar_utils:find_files(filename:join(os:getenv("HOME"), ".rebar/templates"), ?TEMPLATE_RE),
+    LocalFiles = rebar_utils:find_files(".", ?TEMPLATE_RE),
+    [{file, F} || F <- HomeFiles++LocalFiles].
 
 select_template([], Template) ->
     ?ABORT("Template ~s not found.\n", [Template]);
@@ -206,41 +207,65 @@ render(Bin, Context) ->
     Str = re:replace(Bin, "\"", "\\\\\"", [global, {return,list}]),
     mustache:render(Str, Context).
 
-%%
-%% Execute each instruction in a template definition file.
-%%
-execute_template([], _TemplateType, _TemplateName, _Context, _Force, ExistingFiles) ->
-    case length(ExistingFiles) of
-        0 ->
-            ok;
-        _ ->
-            Msg = lists:flatten([io_lib:format("\t* ~p~n", [F]) || F <- lists:reverse(ExistingFiles)]),
-            Help = "To force overwriting, specify force=1 on the command line.\n",
-            ?ERROR("One or more files already exist on disk and were not generated:~n~s~s", [Msg , Help])
-    end;
-execute_template([{file, Input, Output} | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) ->
-    % determine if the target file already exists
+write_file(Output, Data, Force) ->
+    %% determine if the target file already exists
     FileExists = filelib:is_file(Output),
 
-    % perform the function if we're allowed, otherwise just process the next template
+    %% perform the function if we're allowed,
+    %% otherwise just process the next template
     if
         Force =:= "1"; FileExists =:= false ->
-            InputName = filename:join(filename:dirname(TemplateName), Input),
             filelib:ensure_dir(Output),
             if
                 {Force, FileExists} =:= {"1", true} ->
-                    ?CONSOLE("Writing ~s (forcibly overwriting)~n", [Output]);
+                    ?CONSOLE("Writing ~s (forcibly overwriting)~n",
+                             [Output]);
                 true ->
                     ?CONSOLE("Writing ~s~n", [Output])
             end,
-            case file:write_file(Output, render(load_file(TemplateType, InputName), Context)) of
+            case file:write_file(Output, Data) of
                 ok ->
-                    execute_template(Rest, TemplateType, TemplateName, Context, Force, ExistingFiles);
+                    ok;
                 {error, Reason} ->
-                    ?ABORT("Failed to write output file ~p: ~p\n", [Output, Reason])
+                    ?ABORT("Failed to write output file ~p: ~p\n",
+                           [Output, Reason])
             end;
         true ->
-            execute_template(Rest, TemplateType, TemplateName, Context, Force, [Output|ExistingFiles])
+            {error, exists}
+    end.
+
+
+%%
+%% Execute each instruction in a template definition file.
+%%
+execute_template([], _TemplateType, _TemplateName, _Context, _Force, ExistingFiles) ->
+    case length(ExistingFiles) of
+        0 ->
+            ok;
+        _ ->
+            Msg = lists:flatten([io_lib:format("\t* ~p~n", [F]) || F <- lists:reverse(ExistingFiles)]),
+            Help = "To force overwriting, specify force=1 on the command line.\n",
+            ?ERROR("One or more files already exist on disk and were not generated:~n~s~s", [Msg , Help])
+    end;
+execute_template([{template, Input, Output} | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) ->
+    InputName = filename:join(filename:dirname(TemplateName), Input),
+    case write_file(Output, render(load_file(TemplateType, InputName), Context), Force) of
+        ok ->
+            execute_template(Rest, TemplateType, TemplateName, Context,
+                             Force, ExistingFiles);
+        {error, exists} ->
+            execute_template(Rest, TemplateType, TemplateName, Context,
+                             Force, [Output|ExistingFiles])
+    end;
+execute_template([{file, Input, Output} | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) ->
+    InputName = filename:join(filename:dirname(TemplateName), Input),
+    case write_file(Output, load_file(TemplateType, InputName), Force) of
+        ok ->
+            execute_template(Rest, TemplateType, TemplateName, Context,
+                             Force, ExistingFiles);
+        {error, exists} ->
+            execute_template(Rest, TemplateType, TemplateName, Context,
+                             Force, [Output|ExistingFiles])
     end;
 execute_template([{dir, Name} | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) ->
     case filelib:ensure_dir(filename:join(Name, "dummy")) of
@@ -250,6 +275,14 @@ execute_template([{dir, Name} | Rest], TemplateType, TemplateName, Context, Forc
             ?ABORT("Failed while processing template instruction {dir, ~s}: ~p\n",
                    [Name, Reason])
     end;
+execute_template([{chmod, Mod, File} | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) when is_integer(Mod) ->
+    case file:change_mode(File, Mod) of
+        ok ->
+            execute_template(Rest, TemplateType, TemplateName, Context, Force, ExistingFiles);
+        {error, Reason} ->
+            ?ABORT("Failed while processing template instruction {cmod, ~b, ~s}: ~p~n",
+                   [Mod, File, Reason])
+    end;
 execute_template([{variables, _} | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) ->
     execute_template(Rest, TemplateType, TemplateName, Context, Force, ExistingFiles);
 execute_template([Other | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) ->